/* Modern Design System for Ishwari Prasad Dahal Portfolio */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  --bg-dark: #090d16;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(28, 40, 65, 0.85);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-glow: rgba(16, 185, 129, 0.4);
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --primary: #10b981;
  --primary-glow: rgba(16, 185, 129, 0.3);
  --secondary: #3b82f6;
  --secondary-glow: rgba(59, 130, 246, 0.3);
  --accent: #f59e0b;
  
  --gradient-emerald: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-hero: linear-gradient(135deg, #10b981 0%, #3b82f6 50%, #8b5cf6 100%);
  --gradient-card: linear-gradient(180deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.25);
  
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 85%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: #ffffff;
  font-weight: 700;
  line-height: 1.2;
}

.gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-emerald {
  background: var(--gradient-emerald);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.125rem;
  max-width: 650px;
  margin: 0 auto 3rem auto;
}

.text-center {
  text-align: center;
}

/* Container & Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6rem 0;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-normal);
  padding: 1.25rem 0;
  background: rgba(9, 13, 22, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar.scrolled {
  padding: 0.85rem 0;
  background: rgba(9, 13, 22, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
}

.logo-badge {
  width: 40px;
  height: 40px;
  background: var(--gradient-emerald);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  box-shadow: var(--shadow-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-btn {
  padding: 0.6rem 1.4rem;
  background: var(--gradient-emerald);
  color: #fff;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-normal);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 8rem;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 0.9rem 2rem;
  background: var(--gradient-emerald);
  color: #fff;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-normal);
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(16, 185, 129, 0.45);
}

.btn-secondary {
  padding: 0.9rem 2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item h3 {
  font-size: 2rem;
  color: #fff;
}

.stat-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-img-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
}

.hero-img-card img {
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 380px;
  height: 440px;
  object-fit: cover;
  display: block;
}

.floating-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-color-glow);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
}

.badge-icon {
  width: 42px;
  height: 42px;
  background: rgba(16, 185, 129, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.25rem;
}

.badge-text strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
}

.badge-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Feature Goals Cards */
.goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--border-color-glow);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.7;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.about-img-container {
  position: relative;
}

.about-img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-md);
  position: relative;
}

.about-img-frame img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.about-img-frame:hover img {
  transform: scale(1.03);
}

.quote-box {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: rgba(59, 130, 246, 0.1);
  border-left: 4px solid var(--secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: #e2e8f0;
}

.quote-box footer {
  margin-top: 0.5rem;
  font-style: normal;
  font-weight: 600;
  color: var(--secondary);
  font-size: 0.9rem;
}

.about-text-content p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

/* Methodology Steps */
.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.method-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
  position: relative;
  transition: var(--transition-normal);
}

.method-card:hover {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--primary);
  transform: translateY(-5px);
}

.method-num {
  width: 36px;
  height: 36px;
  background: var(--gradient-emerald);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 1rem auto;
  font-size: 0.9rem;
}

.method-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.method-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* School Section */
.school-hero-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  margin-bottom: 3rem;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
}

.school-img-box {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
}

.school-img-box img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.school-title-nepali {
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.school-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.info-tile {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.info-tile-icon {
  width: 44px;
  height: 44px;
  background: rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-sm);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.info-tile-content h5 {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.info-tile-content p {
  font-size: 1rem;
  color: #fff;
  font-weight: 600;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
}

.contact-info-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: rgba(16, 185, 129, 0.15);
  border-radius: var(--radius-sm);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.contact-item-text h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.contact-item-text p, .contact-item-text a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-item-text a:hover {
  color: var(--primary);
}

.contact-form-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background: rgba(9, 13, 22, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.25);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: rgba(16, 185, 129, 0.95);
  color: #fff;
  padding: 1rem 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-normal);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Footer */
.footer {
  background: rgba(5, 8, 15, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3rem 0 2rem 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-credit {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-credit strong {
  color: #fff;
}

.footer-credit span {
  color: var(--accent);
}

.back-to-top {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.back-to-top:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid, .about-grid, .school-hero-card, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hero-content h1 {
    font-size: 2.75rem;
  }
  
  .hero-img-card img {
    height: 380px;
  }
  
  .floating-badge {
    bottom: -15px;
    left: 10px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(9, 13, 22, 0.98);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-150%);
    transition: var(--transition-normal);
  }
  
  .nav-links.active {
    transform: translateY(0);
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .hero-stats {
    gap: 1.5rem;
  }
}